Xiaomi MI Mix 3 5G vs. OPPO Reno8 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix 3 5G and OPPO Reno8 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi MI Mix 3 5G vs. OPPO Reno8 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 3 5G OPPO Reno8 5G
Product Type Smartphone Smartphone
Form Factor Touch slider Touch
Height 157.89 mm 160 mm OPPO Reno8 5G has greater height than Xiaomi MI Mix 3 5G.
Width 74.69 mm 73.4 mm Xiaomi MI Mix 3 5G has greater width than OPPO Reno8 5G.
Depth 8.46 mm 7.67 mm OPPO Reno8 5G is narrower than Xiaomi MI Mix 3 5G.
Weight 225 g 179 g OPPO Reno8 5G is lighter than Xiaomi MI Mix 3 5G.
Body Colour Sapphire blue | Onyx black Shimmer black | Gold shimmer
Waterproof (Water-resistant) - - OPPO Reno8 5G is waterproof.
SAR Value 1.577 W/kg (body), 1.557 W/kg (head) 0.96 W/kg (head), 1.288 W/kg (body), 2.756 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) - Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Xiaomi MI Mix 3 5G OPPO Reno8 5G
Display Type OLED display OLED display
Display Technology AMOLED Rigid AMOLED
Screen Size (Display Size) 6.39" 6.4" OPPO Reno8 5G has larger screen size than Xiaomi MI Mix 3 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels OPPO Reno8 5G has better screen resolution than Xiaomi MI Mix 3 5G.
Display Format Full HD+ Full HD
Pixel Density 403 ppi 409 ppi OPPO Reno8 5G has better pixel density than Xiaomi MI Mix 3 5G.
Aspect Ratio 19.5:9 -
Max Brightness 600 cd/m² 800 cd/m² OPPO Reno8 5G has better display brightness than Xiaomi MI Mix 3 5G.
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 -
HDR Yes Yes Both phones have HDR.
Display Enhancement Technology Sunlight mode -
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 180 Hz
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode O1 Ultra Vision Engine, Eye Care, 97% NTSC, 95% DCI-P3
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI Mix 3 5G OPPO Reno8 5G
Processor Type (CPU) Qualcomm Snapdragon 855 MediaTek Dimensity 1300
Clock Speed 2.84 GHz 3 GHz OPPO Reno8 5G has higher clock speed than Xiaomi MI Mix 3 5G.
Processor Core Qty - 8-core
64-bit Architecture Yes - Xiaomi MI Mix 3 5G has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 ARM Mali-G77 MC9
MEMORY Xiaomi MI Mix 3 5G OPPO Reno8 5G
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 8 GB OPPO Reno8 5G has more RAM than Xiaomi MI Mix 3 5G.
Internal Memory Size (Storage Capacity) 128 GB 256 GB OPPO Reno8 5G has more internal memory than Xiaomi MI Mix 3 5G.
Memory Interface UFS 2.1 UFS 3.1
CAMERA Xiaomi MI Mix 3 5G OPPO Reno8 5G
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 50 Megapixel OPPO Reno8 5G has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Size - 1/1.56"
Sensor Name Sony Exmor RS IMX363 sensor Sony Exmor RS IMX766 sensor
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction - 7-element
Field of View (FoV) - 86 degree(s)
Pixel Size 1.4 μm -
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI Mix 3 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR Stickers, DOL-HDR
Camera Modes Panorama, Nightscape capture mode, Personalized AI Beautify Panorama, Time-lapse mode, Slow motion mode, Pro mode, HYPERLAPSE, Portrait, Night, Macro slow-motion video, Dual-View Video, Extra HD, Text scanner
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Light Source Flash -
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects AI Portrait, All Pixel OmniDirectional PDAF
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel -
Sensor Name (2nd Camera) Samsung S5K3M3+ -
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) - 112 degree(s)
Pixel Size (2nd Camera) 1 μm -
THIRD CAMERA
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 89 degree(s)
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 24 Megapixel 32 Megapixel OPPO Reno8 5G has better front camera resolution than Xiaomi MI Mix 3 5G.
Sensor Size (Front) - 1/2.74"
Sensor Name (Front) Sony Exmor RS IMX576 sensor Sony IMX709 sensor
Lens Aperture (Front) - F/2.4
Lens Element Qty (Front) - 5-element
Field of View (Front) - 85 degree(s)
Pixel Size (Front) 1.8 μm -
Special Effects (Front) Magic mirror RGB, Stickers, DOL-HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Bokeh Mode, AI Beautify, AI makeup Panorama, Time-lapse mode, night mode, Portrait, Dual-View Video
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light AI portrait retouching
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
Sensor Name (2nd Front) OC0A10 -
Pixel Size (2nd Front) 1.75 μm -
BATTERY AND CHARGING Xiaomi MI Mix 3 5G OPPO Reno8 5G
Battery Capacity (Battery Size) 3800 mAh 4500 mAh OPPO Reno8 5G has larger battery capacity than Xiaomi MI Mix 3 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Qualcomm Quick Charge, VOOC Flash Charge technology, SuperVOOC Flash Charge technology, Power Delivery Both phones have fast charging technology.
CELLULAR Xiaomi MI Mix 3 5G OPPO Reno8 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System - ColorOS 12.1 (based on Android 12)
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI Mix 3 5G OPPO Reno8 5G
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500
5G NR Band N78 N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40
5G NR Frequency TDD TD 3500 FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.3 BLE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI Mix 3 5G OPPO Reno8 5G
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD AAC, LDAC, SBC, apt-X HD
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP -
FEATURES Xiaomi MI Mix 3 5G OPPO Reno8 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor Accelerometer, proximity sensor, geomagnetic sensor, gravity sensor, optical sensor, light sensor, gyroscope
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features MIMO technology, MU-MIMO technology MIMO technology, Air Gesture, MU-MIMO technology, Step counter, AI System Booster, Battery Health Engine, Super-Conductive VC Liquid Cooling System
OTHERS Xiaomi MI Mix 3 5G OPPO Reno8 5G
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - TUV SUD, SGS Eye Care Display Certification, Netflix HD Certification, Amazon Prime Video HD Certification
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